Microsoft’s March 2026 Patch Tuesday Addresses 83 CVEs (CVE-2026-21262, CVE-2026-26127)

Key Points:

• Microsoft’s March 2026 Patch Tuesday addressed 83 CVEs, including critical vulnerabilities in SQL Server and Microsoft Office.
• The most significant vulnerabilities include CVE-2026-21262, an elevation of privilege vulnerability in SQL Server, and CVE-2026-26110 and CVE-2026-26113, remote code execution vulnerabilities in Microsoft Office, which could allow attackers to execute arbitrary code.
• Immediate patching of affected systems is recommended to mitigate risks associated with these vulnerabilities.

Technical Details: CVE-2026-21262 has a CVSSv3 score of 8.8 and is a zero-day vulnerability that could grant SQL sysadmin privileges if exploited. CVE-2026-26110 and CVE-2026-26113 are rated 8.4 and can be exploited via the Office preview pane.

MITRE ATT&CK Techniques:

• T1068 - Exploitation of Elevation of Privilege Vulnerability (Privilege Escalation)
• T1203 - Exploitation for Client Execution (Execution)

IOCs Mentioned: None mentioned.